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Including JavaScript class definition from another file in Node.js
...": "module"
}
user.js
export default class User {}
server.js
import User from './user.js'
let user = new User()
Note
⚠️ Don't use globals, it creates potential conflicts with the future code.
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When should I use GC.SuppressFinalize()?
... Hi, Why do we need to call dispose with false as parameter from finalizer? What if the dispose never got called and then it wont dispose? What if we just check for whether the object has been disposed or not and do the actual cleanup.
– Dreamer
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Random strings in Python
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Generating strings from (for example) lowercase characters:
import random, string
def randomword(length):
letters = string.ascii_lowercase
return ''.join(random.choice(letters) for i in range(length))
Results:
>>> randomword...
Swift performSelector:withObject:afterDelay: is unavailable [duplicate]
... Just a note that this method only works if your class inherits from an NSObject or derivative class. It won't work in a pure swift class.
– Jason Crump
Jul 31 '14 at 14:50
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How to distinguish mouse “click” and “drag”
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@ChiMo What I'm been using is storing mouse position from the first evt and comparing with the position of the second evt, so, for example: if (evt.type === 'mouseup' || Math.abs(evt1.pageX - evt2.pageX) < 5 || Math.abs(evt1.pageY - evt2.pageY) < 5) { ....
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How do I copy a file in Python?
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shutil has many methods you can use. One of which is:
from shutil import copyfile
copyfile(src, dst)
Copy the contents of the file named src to a file named dst.
The destination location must be writable; otherwise, an IOError exception will be raised.
If dst already exists, ...
How to convert index of a pandas dataframe into a column?
...the index into the columns (one column per level) and creates an int index from 0 to len(df)-1
– BallpointBen
Jan 10 '19 at 19:52
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Is JavaScript an untyped language?
...So JavaScript obviously doesn't fit this category.
The other definition is from Programming Language Theory (the academic thing that Brendan is referring to). In this domain, untyped just means everything belongs to a single type.
Why? Because a language will only generate a program when it can prov...
How can I determine the direction of a jQuery scroll event?
... event.preventDefault() at the bottom of your callback to prevent the page from scrolling, and so that you can use the mousewheel event for something other than a page scroll, like some type of zoom functionality.
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SplitView like Facebook app on iPhone
...b in the new version of the app. The similar open source code can be found from here - JTRevealSidebarDemo. Please note that as of June 2014, this project has been discontinued, so you'll probably have better luck with a project from the list below.
It reveals technique behind doing split view for...